8016281: The SAM method should be passed to the metafactory as a MethodType not a MethodHandle
8020010: Move lambda bridge creation from metafactory and VM to compiler
Summary: JDK/metafactory component of the bridge fix and and MethodType vs. MethodHandle changes.
Reviewed-by: twisti, briangoetz, forax
Contributed-by: robert.field@oracle.com